from django.conf.urls import urlfrom . import viewsurlpatterns = [    # 添加购物车    url(r'^carts/$', views.CartsView.as_view()),    # 购物车全选    url(r'^carts/selection/$', views.CartsSelectedAllView.as_view()),    # 购物车简化版    url(r'^carts/simple/$', views.CartsSimpleView.as_view()),]